Using this model is simple. Just connect it to an analog DC power source, and it will start running smoothly. When handling the model, be gentle as it's a fragile brass item. To keep it in good condition, store it in a dry and clean place. You can use a soft cloth to gently clean the tarnished parts. For shipping, we'll pack it carefully, but once you receive it, make sure to check for any damages. If you're not satisfied with your purchase, let us know within 30 days for a money-back guarantee. Remember, you're responsible for return shipping costs unless the item arrives damaged.
